About This File Detailed wiring from the Demystification Guide #492-4509 7 pages 1.25MB p7-146a to p7-146c and p7-146e to p7-146h 1999 520xi model 73542 Serial 9900001-9999999 1999 520xi model 73570 Serial 9900001-9999999 - Export model 520xie